Sure! I will find you there:) On Fri, Jun 23, 2017 at 3:28 PM, <tang.junhui@xxxxxxxxxx> wrote: > Hello Liang chen: > > Please see this patch: > > http://www.spinics.net/lists/linux-bcache/msg04572.html > > Do you have a wechat account? please add me: tangjunhui1984 > > We can talk more about bcache. > > Thanks. > > > > 发件人: Liang Chen <liangchen.linux@xxxxxxxxx> > 收件人: linux-bcache@xxxxxxxxxxxxxxx, > 抄送: linux-kernel@xxxxxxxxxxxxxxx, colyli@xxxxxxx, > bcache@xxxxxxxxxxxxxxxxxx, Liang Chen <liangchen.linux@xxxxxxxxx> > 日期: 2017/06/23 15:16 > 主题: [PATCH] bcache: release the allocated id, not its multiple of > BCACHE_MINORS > 发件人: linux-bcache-owner@xxxxxxxxxxxxxxx > ________________________________ > > > > The id passed to ida_simple_remove has to be the one originally > allocated with ida_simple_get, not the one after multipling by > BCACHE_MINORS. > > Signed-off-by: Liang Chen <liangchen.linux@xxxxxxxxx> > --- > drivers/md/bcache/super.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c > index e57353e..9f64477 100644 > --- a/drivers/md/bcache/super.c > +++ b/drivers/md/bcache/super.c > @@ -734,7 +734,8 @@ static void bcache_device_free(struct bcache_device *d) > if (d->disk && d->disk->queue) > blk_cleanup_queue(d->disk->queue); > if (d->disk) { > - ida_simple_remove(&bcache_minor, > d->disk->first_minor); > + ida_simple_remove(&bcache_minor, > + > d->disk->first_minor / BCACHE_MINORS); > put_disk(d->disk); > } > > @@ -784,7 +785,7 @@ static int bcache_device_init(struct bcache_device *d, > unsigned block_size, > > if (!(d->bio_split = bioset_create(4, offsetof(struct bbio, > bio))) || > !(d->disk = alloc_disk(BCACHE_MINORS))) { > - ida_simple_remove(&bcache_minor, minor); > + ida_simple_remove(&bcache_minor, minor / > BCACHE_MINORS); > return -ENOMEM; > } > > -- > 1.8.3.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-bcache" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > > -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
